@charset "utf-8";

:root {
    --ink: #18373b;
    --ink-soft: #526a6d;
    --brand: #168e91;
    --brand-dark: #0d6f75;
    --brand-light: #e8f4f1;
    --mint: #85bf9f;
    --paper: #ffffff;
    --canvas: #f5f8f7;
    --line: #dce8e4;
    --warning: #a46a24;
    --container: 1120px;
    --shadow-sm: 0 8px 30px rgba(20, 61, 61, 0.06);
    --shadow-md: 0 20px 50px rgba(20, 61, 61, 0.1);
    --radius: 16px;
    --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", "SimSun", serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--canvas);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    text-rendering: optimizeLegibility;
}

body,
button,
input,
select,
textarea {
    font-family: var(--font-sans);
}

img {
    max-width: 100%;
}

a {
    color: inherit;
}

button {
    border: 0;
}

::selection {
    background: #bce0d4;
    color: #123b3e;
}

:focus-visible {
    outline: 3px solid rgba(22, 142, 145, 0.38);
    outline-offset: 4px;
}

.site-container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 1000;
    padding: 10px 18px;
    border-radius: 8px;
    background: var(--ink);
    color: #fff;
    transform: translateY(-160%);
    transition: transform 0.2s ease;
}

.skip-link:focus {
    color: #fff;
    transform: translateY(0);
}

.site-topbar {
    background: #153c40;
    color: rgba(255, 255, 255, 0.82);
    font-size: 12px;
    letter-spacing: 0.04em;
}

.site-topbar__inner {
    display: flex;
    min-height: 38px;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-topbar__company {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-topbar__contact {
    flex: none;
    color: #d5eee5;
    transition: color 0.2s ease;
}

.site-topbar__contact:hover {
    color: #fff;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(20, 86, 84, 0.09);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 4px 24px rgba(19, 60, 60, 0.035);
    backdrop-filter: blur(16px);
}

.site-header__inner {
    position: relative;
    display: flex;
    height: 92px;
    align-items: center;
}

.site-brand {
    display: flex;
    width: 184px;
    flex: none;
    align-items: center;
}

.site-brand img {
    display: block;
    width: 100%;
    height: auto;
}

.site-header .header-right {
    margin-left: auto;
}

.site-header .nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-header .nav li {
    position: relative;
}

.site-header .nav a {
    position: relative;
    display: flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    color: #3f585b;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.08em;
    transition: color 0.2s ease;
}

.site-header .nav a::after {
    position: absolute;
    right: 20px;
    bottom: 3px;
    left: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--brand);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.25s ease;
}

.site-header .nav a:hover,
.site-header .nav .active a {
    color: var(--brand-dark);
}

.site-header .nav a:hover::after,
.site-header .nav .active a::after {
    transform: scaleX(1);
    transform-origin: left;
}

.site-header .navbar-toggle {
    position: relative;
    display: none;
    width: 44px;
    height: 44px;
    margin-left: auto;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
}

.site-header .navbar-toggle .icon-bar {
    position: absolute;
    left: 11px;
    display: block;
    width: 20px;
    height: 2px;
    margin: 0;
    border-radius: 2px;
    background: var(--ink);
    transition: transform 0.2s ease, opacity 0.2s ease, top 0.2s ease;
}

.site-header .navbar-toggle .top-bar {
    top: 14px;
    transform: none;
}

.site-header .navbar-toggle .middle-bar {
    top: 21px;
    opacity: 1;
}

.site-header .navbar-toggle .bottom-bar {
    top: 28px;
    transform: none;
}

.site-header .navbar-toggle:not(.collapsed) .top-bar {
    top: 21px;
    transform: rotate(45deg);
}

.site-header .navbar-toggle:not(.collapsed) .middle-bar {
    opacity: 0;
}

.site-header .navbar-toggle:not(.collapsed) .bottom-bar {
    top: 21px;
    transform: rotate(-45deg);
}

.header-mask {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: none;
    background: rgba(9, 35, 37, 0.48);
    backdrop-filter: blur(2px);
}

.site-main {
    min-height: 60vh;
    overflow: hidden;
}

.statement-hero,
.page-hero {
    position: relative;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(circle at 88% 20%, rgba(105, 184, 163, 0.18), transparent 30%),
        linear-gradient(120deg, #eef7f2 0%, #f8faf9 52%, #eaf4f4 100%);
}

.statement-hero::after,
.page-hero::after {
    position: absolute;
    top: -110px;
    right: max(-80px, calc((100vw - var(--container)) / 2 - 80px));
    width: 360px;
    height: 360px;
    border: 1px solid rgba(22, 142, 145, 0.12);
    border-radius: 50%;
    box-shadow: 0 0 0 60px rgba(22, 142, 145, 0.035), 0 0 0 120px rgba(22, 142, 145, 0.025);
    content: "";
    pointer-events: none;
}

.statement-hero__inner,
.page-hero__inner {
    position: relative;
    z-index: 1;
    padding-block: 68px 64px;
    animation: content-enter 0.65s ease both;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    color: var(--brand-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 30px;
    height: 2px;
    background: var(--brand);
    content: "";
}

.statement-hero h1,
.page-hero h1 {
    max-width: 880px;
    color: #163a3e;
    font-family: var(--font-serif);
    font-size: clamp(32px, 4.2vw, 48px);
    font-weight: 600;
    letter-spacing: 0.025em;
    line-height: 1.4;
}

.statement-hero h1 span {
    display: block;
}

.statement-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    margin-top: 28px;
    color: var(--ink-soft);
    font-size: 13px;
}

.statement-meta time {
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border: 1px solid #c7e0d5;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.64);
    color: var(--brand-dark);
    font-size: 12px;
    font-weight: 600;
}

.status-pill::before {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--brand);
    content: "";
}

.statement-card {
    max-width: 1000px;
    margin: 48px auto 72px;
    padding: 52px 60px 46px;
    border: 1px solid rgba(210, 227, 221, 0.9);
    border-radius: var(--radius);
    background: var(--paper);
    box-shadow: var(--shadow-sm);
}

.statement-lead {
    padding-left: 22px;
    border-left: 3px solid var(--mint);
    color: #284a4e;
    font-size: 17px;
    line-height: 2;
    text-indent: 2em;
}

.statement-list {
    margin-top: 34px;
    counter-reset: statement;
    list-style: none;
}

.statement-list > li {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 0;
    border-top: 1px solid #e6eeeb;
    color: #364f52;
    counter-increment: statement;
    line-height: 2;
    text-align: justify;
    text-justify: inter-ideograph;
}

.statement-list > li::before {
    padding-top: 2px;
    color: #77a99b;
    content: "0" counter(statement);
    font-family: Georgia, serif;
    font-size: 18px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
    line-height: 1.75;
    text-align: left;
}

.report-panel {
    margin-top: 26px;
    padding: 28px 30px;
    border: 1px solid #d8e9e2;
    border-radius: 12px;
    background: #f1f7f4;
}

.report-panel h2 {
    margin-bottom: 14px;
    color: var(--ink);
    font-size: 20px;
    font-weight: 700;
}

.report-list {
    list-style: none;
    counter-reset: report;
}

.report-list li {
    position: relative;
    padding: 7px 0 7px 30px;
    color: #3e585b;
    counter-increment: report;
}

.report-list li::before {
    position: absolute;
    top: 12px;
    left: 0;
    display: grid;
    width: 20px;
    height: 20px;
    place-items: center;
    border-radius: 50%;
    background: #d4e9df;
    color: var(--brand-dark);
    content: counter(report);
    font-size: 11px;
    font-weight: 700;
}

.report-list a,
.contact-link {
    color: var(--brand-dark);
    text-decoration: underline;
    text-decoration-color: rgba(13, 111, 117, 0.32);
    text-underline-offset: 4px;
    overflow-wrap: anywhere;
}

.report-list a:hover,
.contact-link:hover {
    color: #084f54;
    text-decoration-color: currentColor;
}

.statement-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: 26px;
    font-size: 15px;
}

.statement-contact span {
    color: var(--ink-soft);
}

.statement-signature {
    margin-top: 38px;
    padding-top: 26px;
    border-top: 1px solid #e6eeeb;
    color: #496164;
    line-height: 2;
    text-align: right;
}

.statement-signature time {
    font-variant-numeric: tabular-nums;
}

.page-hero__lead {
    max-width: 850px;
    margin-top: 24px;
    color: #456165;
    font-size: 17px;
    line-height: 2;
    text-align: justify;
    text-justify: inter-ideograph;
}

.about-content {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    gap: 72px;
    align-items: center;
    padding-block: 64px 80px;
}

.section-heading {
    margin-bottom: 26px;
}

.section-heading .eyebrow {
    margin-bottom: 12px;
}

.section-heading h2 {
    color: var(--ink);
    font-family: var(--font-serif);
    font-size: 30px;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.focus-list {
    list-style: none;
    counter-reset: focus;
}

.focus-list li {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 16px;
    padding: 17px 0;
    border-top: 1px solid var(--line);
    color: #3d575a;
    counter-increment: focus;
    line-height: 1.85;
}

.focus-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.focus-list li::before {
    color: #71a696;
    content: "0" counter(focus);
    font-family: Georgia, serif;
    font-size: 16px;
    font-variant-numeric: tabular-nums;
}

.about-visual {
    position: relative;
    margin: 0;
    isolation: isolate;
}

.about-visual::before {
    position: absolute;
    top: -16px;
    right: -16px;
    z-index: -1;
    width: 65%;
    height: 55%;
    border-radius: 18px;
    background: #dfeee7;
    content: "";
}

.about-visual img {
    display: block;
    width: 100%;
    aspect-ratio: 4 / 4.35;
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    object-fit: cover;
}

.about-visual__badge {
    position: absolute;
    bottom: 28px;
    left: -28px;
    min-width: 142px;
    padding: 18px 24px;
    border-left: 3px solid var(--brand);
    border-radius: 0 10px 10px 0;
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.about-visual__badge strong,
.about-visual__badge span {
    display: block;
}

.about-visual__badge strong {
    color: var(--brand-dark);
    font-family: Georgia, serif;
    font-size: 30px;
    font-weight: 400;
    letter-spacing: 0.05em;
    line-height: 1.25;
}

.about-visual__badge span {
    margin-top: 3px;
    color: var(--ink-soft);
    font-size: 12px;
    letter-spacing: 0.12em;
}

.portfolio-section {
    padding-block: 54px 80px;
}

.portfolio-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.portfolio-heading h2 {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 600;
}

.portfolio-heading p {
    color: var(--ink-soft);
    font-size: 13px;
    letter-spacing: 0.06em;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.portfolio-card {
    position: relative;
    overflow: hidden;
    padding: 30px 32px 32px;
    border: 1px solid #dce8e4;
    border-radius: 14px;
    background: var(--paper);
    box-shadow: 0 4px 18px rgba(22, 65, 64, 0.035);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.portfolio-card::before {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--mint), var(--brand));
    content: "";
    transform: scaleX(0.24);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.portfolio-card:hover {
    border-color: #c4ddd4;
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.portfolio-card:hover::before {
    transform: scaleX(1);
}

.portfolio-card:last-child {
    grid-column: 1 / -1;
}

.portfolio-card__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e7efec;
}

.portfolio-card__title {
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.portfolio-card__index {
    color: #87afa2;
    font-family: Georgia, serif;
    font-size: 14px;
    font-variant-numeric: tabular-nums;
}

.portfolio-card h3 {
    color: #1e4246;
    font-size: 23px;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.stock-code {
    flex: none;
    padding: 3px 10px;
    border-radius: 6px;
    background: var(--brand-light);
    color: var(--brand-dark);
    font-family: "Consolas", "Courier New", monospace;
    font-size: 13px;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
}

.portfolio-card__description {
    color: #4a6164;
    font-size: 15px;
    line-height: 2;
    text-align: justify;
    text-justify: inter-ideograph;
}

.site-footer {
    padding: 42px 0 24px;
    background: #14383c;
    color: rgba(255, 255, 255, 0.72);
}

.site-footer__main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding-bottom: 30px;
}

.site-footer__brand {
    color: #fff;
    font-family: var(--font-serif);
    font-size: 24px;
    letter-spacing: 0.12em;
    line-height: 1.4;
}

.site-footer__brand-en {
    margin-top: 3px;
    color: #8fc8b7;
    font-family: Georgia, serif;
    font-size: 11px;
    letter-spacing: 0.24em;
}

.site-footer__contact {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
}

.site-footer__contact span {
    color: #a8c5bd;
}

.site-footer__contact a {
    color: #e2f2eb;
    overflow-wrap: anywhere;
    transition: color 0.2s ease;
}

.site-footer__contact a:hover {
    color: #fff;
}

.site-footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.11);
    font-size: 12px;
    line-height: 1.8;
}

.site-footer__bottom a {
    flex: none;
    color: #b6cdc6;
}

.site-footer__bottom a:hover {
    color: #fff;
}

#gototop {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 70;
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 50%;
    background: var(--brand-dark);
    box-shadow: 0 8px 24px rgba(12, 79, 82, 0.2);
    color: transparent;
    font-size: 0;
    opacity: 0.92;
    transition: background 0.2s ease, transform 0.2s ease;
}

#gototop:hover {
    background: #084f54;
    transform: translateY(-3px);
}

#gototop i {
    position: absolute;
    top: 18px;
    left: 17px;
    width: 11px;
    height: 11px;
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    transform: rotate(45deg);
}

#gototop span {
    display: none;
}

@keyframes content-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (min-width: 821px) {
    .site-header .header-right {
        display: block !important;
    }
}

@media (max-width: 960px) {
    .about-content {
        grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
        gap: 44px;
    }

    .statement-card {
        padding-inline: 44px;
    }

    .portfolio-card {
        padding-inline: 26px;
    }
}

@media (max-width: 820px) {
    .site-header__inner {
        height: 78px;
    }

    .site-brand {
        width: 156px;
    }

    .site-header .navbar-toggle {
        display: block;
    }

    .site-header .header-right {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        display: none;
        margin: 0;
        padding: 10px 24px 20px;
        border-bottom: 1px solid var(--line);
        background: #fff;
        box-shadow: 0 18px 30px rgba(15, 55, 55, 0.1);
    }

    .site-header .nav {
        display: block;
    }

    .site-header .nav a {
        justify-content: flex-start;
        min-height: 50px;
        padding: 0 8px;
        border-bottom: 1px solid #e7efec;
    }

    .site-header .nav li:last-child a {
        border-bottom: 0;
    }

    .site-header .nav a::after {
        top: 15px;
        right: auto;
        bottom: 15px;
        left: -8px;
        width: 3px;
        height: auto;
        transform: scaleY(0);
    }

    .site-header .nav a:hover::after,
    .site-header .nav .active a::after {
        transform: scaleY(1);
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 54px;
    }

    .about-visual {
        width: min(100%, 520px);
        margin-inline: auto;
    }

    .about-visual img {
        aspect-ratio: 16 / 12;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-card:last-child {
        grid-column: auto;
    }
}

@media (max-width: 640px) {
    .site-container {
        width: min(calc(100% - 32px), var(--container));
    }

    .site-topbar__inner {
        min-height: 34px;
        font-size: 11px;
    }

    .statement-hero__inner,
    .page-hero__inner {
        padding-block: 46px 42px;
    }

    .statement-hero h1,
    .page-hero h1 {
        font-size: clamp(28px, 8vw, 38px);
    }

    .statement-hero h1 span {
        display: inline;
    }

    .statement-hero::after,
    .page-hero::after {
        right: -180px;
        opacity: 0.7;
    }

    .page-hero__lead {
        font-size: 15px;
        line-height: 1.95;
        text-align: left;
    }

    .statement-card {
        margin-block: 24px 48px;
        padding: 30px 24px;
        border-radius: 12px;
    }

    .statement-lead {
        padding-left: 16px;
        font-size: 15px;
        text-align: justify;
    }

    .statement-list {
        margin-top: 26px;
    }

    .statement-list > li {
        grid-template-columns: 30px minmax(0, 1fr);
        gap: 10px;
        padding: 20px 0;
        font-size: 15px;
        line-height: 1.95;
        text-align: left;
    }

    .statement-list > li::before {
        font-size: 15px;
    }

    .report-panel {
        padding: 22px 20px;
    }

    .statement-signature {
        font-size: 14px;
    }

    .about-content,
    .portfolio-section {
        padding-block: 42px 54px;
    }

    .section-heading h2,
    .portfolio-heading h2 {
        font-size: 26px;
    }

    .focus-list li {
        grid-template-columns: 30px minmax(0, 1fr);
        gap: 10px;
        font-size: 15px;
    }

    .about-visual::before {
        top: -10px;
        right: -8px;
    }

    .about-visual__badge {
        bottom: 20px;
        left: -6px;
    }

    .portfolio-heading {
        display: block;
    }

    .portfolio-heading p {
        margin-top: 6px;
    }

    .portfolio-grid {
        gap: 18px;
    }

    .portfolio-card {
        padding: 25px 22px 26px;
    }

    .portfolio-card__header {
        gap: 12px;
    }

    .portfolio-card__title {
        gap: 10px;
    }

    .portfolio-card h3 {
        font-size: 21px;
    }

    .portfolio-card__description {
        text-align: left;
    }

    .site-footer {
        padding-top: 34px;
    }

    .site-footer__main,
    .site-footer__bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 18px;
    }

    .site-footer__contact {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .site-footer__bottom {
        gap: 10px;
    }

    #gototop {
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 420px) {
    .site-topbar__contact {
        display: none;
    }

    .site-brand {
        width: 142px;
    }

    .statement-card {
        padding-inline: 20px;
    }

    .portfolio-card__header {
        display: block;
    }

    .stock-code {
        display: inline-block;
        margin-top: 10px;
        margin-left: 32px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}