:root{--color-shu-iro:#C73D32;--color-ember:#A63329;--color-ai-iro:#1B3A5C;--color-kon:#0D1F33;--color-text-primary:#1a1a1a;--color-text-secondary:#4a4a4a;--color-text-muted:#6b6b6b;--color-text-light:#8a8a8a;--color-bg-white:#ffffff;--color-bg-warm:#fefefe;--color-bg-light:#f8f9fa;--color-bg-subtle:#f3f4f6;--color-bg-muted:#e5e7eb;--color-border-light:#e5e7eb;--color-border-medium:#d1d5db;--color-border-dark:#9ca3af;--font-sans-jp:"Noto Sans JP","Hiragino Kaku Gothic Pro","Yu Gothic",sans-serif;--font-serif-jp:"Noto Serif JP","Yu Mincho","Hiragino Mincho Pro",serif;--font-sans-en:"Inter","Helvetica Neue",Arial,sans-serif;--text-hero:64px;--text-h1:48px;--text-h2:40px;--text-h3:28px;--text-h4:22px;--text-h5:18px;--text-body-xl:20px;--text-body-lg:18px;--text-body:16px;--text-body-sm:14px;--text-caption:13px;--text-label:12px;--leading-none:1;--leading-tight:1.25;--leading-snug:1.35;--leading-normal:1.45;--leading-relaxed:1.6;--leading-loose:1.8;--leading-jp:1.9;--leading-jp-dense:2.0;--font-light:300;--font-normal:400;--font-medium:500;--font-semibold:600;--font-bold:700;--tracking-tight:-0.02em;--tracking-normal:0;--tracking-wide:0.02em;--tracking-wider:0.04em;--tracking-widest:0.08em;--space-0:0;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-7:28px;--space-8:32px;--space-10:40px;--space-12:48px;--space-14:56px;--space-16:64px;--space-20:80px;--space-24:96px;--space-32:128px;--grid-columns:12;--grid-gutter:24px;--grid-gutter-sm:16px;--container-max:1400px;--container-narrow:1000px;--container-wide:1600px;--margin-desktop:80px;--margin-tablet:40px;--margin-mobile:20px;--section-py:96px;--section-py-tablet:72px;--section-py-mobile:56px;--section-gap:24px;--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-full:9999px;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px rgba(0,0,0,0.07);--shadow-lg:0 10px 15px rgba(0,0,0,0.1);--shadow-xl:0 20px 25px rgba(0,0,0,0.1);--shadow-shu:0 8px 24px rgba(199,61,50,0.15);--transition-fast:150ms ease;--transition-base:250ms ease;--transition-slow:350ms ease;--btn-py-sm:10px;--btn-px-sm:20px;--btn-font-sm:14px;--btn-py:14px;--btn-px:28px;--btn-font:16px;--btn-py-lg:18px;--btn-px-lg:36px;--btn-font-lg:18px;--icon-xs:16px;--icon-sm:20px;--icon-md:24px;--icon-lg:32px;--icon-xl:40px;--icon-2xl:48px;--icon-3xl:64px}.ds-container{width:100%;max-width:var(--container-max);margin:0 auto;padding-left:var(--margin-desktop);padding-right:var(--margin-desktop)}.ds-container-narrow{max-width:var(--container-narrow)}.ds-container-wide{max-width:var(--container-wide)}.ds-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--grid-gutter)}.ds-col-1{grid-column:span 1}.ds-col-2{grid-column:span 2}.ds-col-3{grid-column:span 3}.ds-col-4{grid-column:span 4}.ds-col-5{grid-column:span 5}.ds-col-6{grid-column:span 6}.ds-col-7{grid-column:span 7}.ds-col-8{grid-column:span 8}.ds-col-9{grid-column:span 9}.ds-col-10{grid-column:span 10}.ds-col-11{grid-column:span 11}.ds-col-12{grid-column:span 12}.ds-col-start-1{grid-column-start:1}.ds-col-start-2{grid-column-start:2}.ds-col-start-3{grid-column-start:3}.ds-col-start-4{grid-column-start:4}.ds-col-start-5{grid-column-start:5}.ds-col-start-6{grid-column-start:6}.ds-col-start-7{grid-column-start:7}.ds-col-center-8{grid-column:3/span 8}.ds-col-center-10{grid-column:2/span 10}.ds-section{padding-top:var(--section-py);padding-bottom:var(--section-py)}.ds-section-sm{padding-top:var(--space-16);padding-bottom:var(--space-16)}.ds-section-lg{padding-top:var(--space-32);padding-bottom:var(--space-32)}.ds-bg-white{background-color:var(--color-bg-white)}.ds-bg-light{background-color:var(--color-bg-light)}.ds-bg-subtle{background-color:var(--color-bg-subtle)}.ds-bg-dark{background-color:var(--color-ai-iro)}.ds-text-hero{font-size:var(--text-hero);line-height:var(--leading-snug);font-weight:var(--font-semibold);letter-spacing:var(--tracking-tight)}.ds-text-h1{font-size:var(--text-h1);line-height:var(--leading-tight)}.ds-text-h1,.ds-text-h2{font-weight:var(--font-bold)}.ds-text-h2{font-size:var(--text-h2)}.ds-text-h2,.ds-text-h3{line-height:var(--leading-normal)}.ds-text-h3{font-size:var(--text-h3)}.ds-text-h3,.ds-text-h4{font-weight:var(--font-semibold)}.ds-text-h4{font-size:var(--text-h4);line-height:var(--leading-relaxed)}.ds-text-body-xl{font-size:var(--text-body-xl);line-height:var(--leading-jp)}.ds-text-body-lg{font-size:var(--text-body-lg);line-height:var(--leading-jp)}.ds-text-body{font-size:var(--text-body)}.ds-text-body,.ds-text-body-sm{line-height:var(--leading-loose)}.ds-text-body-sm{font-size:var(--text-body-sm)}.ds-text-caption{font-size:var(--text-caption);line-height:var(--leading-relaxed)}@media (max-width:1024px){:root{--text-hero:52px;--text-h1:40px;--text-h2:32px;--text-h3:24px;--text-h4:20px;--text-body-xl:18px;--text-body-lg:17px;--grid-gutter:20px}.ds-container{padding-left:var(--margin-tablet);padding-right:var(--margin-tablet)}.ds-section{padding-top:var(--section-py-tablet);padding-bottom:var(--section-py-tablet)}.ds-col-tablet-6{grid-column:span 6}.ds-col-tablet-12{grid-column:span 12}}@media (max-width:768px){:root{--text-hero:40px;--text-h1:32px;--text-h2:28px;--text-h3:22px;--text-h4:18px;--text-body-xl:17px;--text-body-lg:16px;--text-body:15px;--grid-gutter:16px}.ds-container{padding-left:var(--margin-mobile);padding-right:var(--margin-mobile)}.ds-section{padding-top:var(--section-py-mobile);padding-bottom:var(--section-py-mobile)}.ds-grid>*{grid-column:span 12}.ds-col-mobile-6{grid-column:span 6}.ds-col-mobile-12{grid-column:span 12}}@media (max-width:480px){:root{--text-hero:32px;--text-h1:28px;--text-h2:24px;--text-h3:20px;--text-h4:17px;--text-body-xl:16px;--text-body-lg:15px;--text-body:14px;--text-body-sm:13px}}.ds-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:var(--btn-py) var(--btn-px);font-size:var(--btn-font);font-weight:var(--font-medium);line-height:1;text-decoration:none;border-radius:var(--radius-sm);transition:all var(--transition-base);cursor:pointer;border:1px solid transparent}.ds-btn-primary{background-color:var(--color-shu-iro);color:white;border-color:var(--color-shu-iro)}.ds-btn-primary:hover{background-color:var(--color-ember);border-color:var(--color-ember);transform:translateY(-1px);box-shadow:var(--shadow-shu)}.ds-btn-secondary{background-color:transparent;color:white;border-color:rgba(255,255,255,.6)}.ds-btn-secondary:hover{background-color:rgba(255,255,255,.1);border-color:rgba(255,255,255,.9)}.ds-btn-outline{background-color:transparent;color:var(--color-shu-iro);border-color:var(--color-shu-iro)}.ds-btn-outline:hover{background-color:var(--color-shu-iro);color:white}.ds-btn-sm{padding:var(--btn-py-sm) var(--btn-px-sm);font-size:var(--btn-font-sm)}.ds-btn-lg{padding:var(--btn-py-lg) var(--btn-px-lg);font-size:var(--btn-font-lg)}.ds-card{background:var(--color-bg-white);border-radius:var(--radius-lg);padding:var(--space-8);border:1px solid var(--color-border-light);transition:all var(--transition-base)}.ds-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.ds-card-flat{box-shadow:none;border:none;background:var(--color-bg-light)}.ds-label{display:inline-block;padding:var(--space-1) var(--space-3);font-size:var(--text-caption);font-weight:var(--font-medium);text-transform:uppercase;letter-spacing:var(--tracking-wider);color:var(--color-shu-iro);background:transparent}.ds-label-bar{position:relative;padding-left:var(--space-4)}.ds-label-bar:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:100%;background:var(--color-shu-iro)}.ds-icon-xs{width:var(--icon-xs);height:var(--icon-xs)}.ds-icon-sm{width:var(--icon-sm);height:var(--icon-sm)}.ds-icon-md{width:var(--icon-md);height:var(--icon-md)}.ds-icon-lg{width:var(--icon-lg);height:var(--icon-lg)}.ds-icon-xl{width:var(--icon-xl);height:var(--icon-xl)}.ds-icon-2xl{width:var(--icon-2xl);height:var(--icon-2xl)}.ds-icon-3xl{width:var(--icon-3xl);height:var(--icon-3xl)}